Commit graph

140 commits

Author SHA1 Message Date
Paul Bakker
ec4bea7eee Forced cast to unsigned int for %u format in ecp_selftest() 2013-12-30 19:04:47 +01:00
Paul Bakker
92bcadb110 Removed 'z' length modifier from low-value size_t in ecp_selftest() 2013-12-30 15:37:17 +01:00
Manuel Pégourié-Gonnard
1f82b041e7 Adapt ecp_group_free() to static constants 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
73cc01d7fa Remove last non-static parts of known EC groups 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
731d08b406 Start using constants from ROM for EC groups 2013-12-17 11:27:20 +01:00
Manuel Pégourié-Gonnard
93f41dbdfd Fix possible issue in corner-case for ecp_mul_mx() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
7a949d3f5b Update comments 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
d962273594 Add #ifdef's for curve types 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
7c94d8bcab WIP #ifdef's 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
b6f45a616c Avoid potential leak in ecp_mul_mxz() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
97871ef236 Some operations are not supported with Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
357ff65a51 Details in ecp_mul_mxz() 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
fe0af405f9 Adapt ecp_gen_keypair() to Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
a0179b8c4a Change ecp_mul to handle Curve25519 too 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
312d2e8ea2 Adapt key checking functions for Curve25519 2013-12-05 15:58:38 +01:00
Manuel Pégourié-Gonnard
3afa07f05b Add coordinate randomization for Curve25519 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
d9ea82e7d9 Add basic arithmetic for Curve25519 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
3c0b4ea97e Rename a few functions 2013-12-05 15:58:37 +01:00
Manuel Pégourié-Gonnard
d5e0fbe1a3 Remove now useless function 2013-12-02 17:20:39 +01:00
Manuel Pégourié-Gonnard
32b04c1237 Split ecp.c 2013-12-02 16:36:11 +01:00
Manuel Pégourié-Gonnard
43863eeffc Declare internal variables static in ecp.c 2013-12-02 16:34:24 +01:00
Manuel Pégourié-Gonnard
d35e191434 Drop useless include in ecp.c 2013-12-02 16:34:24 +01:00
Manuel Pégourié-Gonnard
0267e3dc9b Add ecp_curve_info_from_name() 2013-11-30 15:10:14 +01:00
Manuel Pégourié-Gonnard
104ee1d1f6 Add ecp_genkey(), prettier wrapper 2013-11-30 14:35:07 +01:00
Manuel Pégourié-Gonnard
c57b654a3e Use t_uint rather than uintXX_t when appropriate 2013-11-26 15:19:56 +01:00
Manuel Pégourié-Gonnard
96c7a92b08 Change mpi_safe_cond_assign() for more const-ness 2013-11-25 18:28:53 +01:00
Manuel Pégourié-Gonnard
918148193d Enhance ecp_selftest 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
d728350cee Make memory access pattern constant 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
aade42fd88 Change method for making M odd in ecp_mul()
- faster
- avoids M >= N (if m = N-1 or N-2)
2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
36daa13d76 Misc details 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
469a209334 Rm subtraction from ecp_add_mixed() 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
01fca5e882 Do point inversion without leaking information 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
44aab79022 Update bibliographic references 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
7f762319ad Use mpi_shrink() in ecp_precompute() 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
e282012219 Spare some memory 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
edc1a1f482 Small code cleanups 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
ff27b7c968 Tighten ecp_mul() validity checks 2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
09ceaf49d0 Rm multiplication using NAF
Comb method is at most 1% slower for random points,
and is way faster for fixed point (repeated).
2013-11-21 21:56:38 +01:00
Manuel Pégourié-Gonnard
04a0225388 Optimize w in the comb method 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
70c14372c6 Add coordinate randomization back 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
c30200e4ce Fix bound issues 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
101a39f55f Improve comb method (less precomputed points) 2013-11-21 21:56:37 +01:00
Manuel Pégourié-Gonnard
d1c1ba90ca First version of ecp_mul_comb() 2013-11-21 21:56:20 +01:00
Paul Bakker
6a6087e71d Added missing inline definition for MSCV and ARM environments 2013-10-28 18:53:08 +01:00
Manuel Pégourié-Gonnard
9fcceac943 Add a comment about modules coupling 2013-10-23 20:56:12 +02:00
Manuel Pégourié-Gonnard
b21c81fb41 Use less memory in fix_negative() 2013-10-23 20:45:04 +02:00
Manuel Pégourié-Gonnard
cae6f3ed45 Reorganize code in ecp.c 2013-10-23 20:19:57 +02:00
Manuel Pégourié-Gonnard
5779cbe582 Make mod_p{224,256,384] a bit faster
Speedup is roughly 25%, giving a 6% speedup on ecp_mul() for these curves.
2013-10-23 20:17:00 +02:00
Manuel Pégourié-Gonnard
c04c530a98 Make NIST curves optimisation an option 2013-10-23 16:11:52 +02:00
Manuel Pégourié-Gonnard
0f9149cb0a Add mod_p384 2013-10-23 15:06:37 +02:00